Also known as Caldwell 49 and NGC2237, captured over 2 nights on the 22nd October and 7th November 2012 from my backyard observatory in Fremont, Michigan. Visible in this image are NGC2238, NGC2239, and NGC2246 and within the nebula the open star cluster NGC 2244. Processed using the HST (Hubble) Palette with SII assigned to red channel, H-Alpha to green channel and OIII to blue channel. Shot at native resolution (F5.5) Total Exposure time 6 hours All exposures un binned (1x1) H-Alpha, OIII, SII 4 x 30 min each QHY9M monochrome CCD cooled to -30C Thomas M. Back TMB 92SS F5.5 APO Refractor Paramount GT-1100S German Equatorial Mount (with MKS 4000) Image Aquisition Maxim DL Stacking and Calibrating: CCDStack Registration of images in Registar Post Processing Photoshop CS5 Clear Skies Terry Down Under Observatory on Facebook